Full size image To further test the C2 proton exchange mechanism mediated by COSY, we performed the reciprocal H/D exchange experiment by assayingAtCOSY against the 2OHpCCoA substrate in 66% D2O. Consistent with the H/D exchange seen in the previous experiment using deuterium-labeled substrate,...
Optimization of two-dimensional NMR by matched accumulation. J Magn Reson. 1991;95(1):1–9. CAS Google Scholar Provencher SW. Estimation of metabolite concentrations from localized in vivo proton NMR spectra. Magn Reson Med. 1993;30(6):672–9. Article CAS PubMed Google Scholar Schulte RF...
Kibrik EJ, Steinhof O, Scherr G, Thiel WR, Hasse H (2012) 13C-NMR, 13C–13C gCOSY, and ESI-MS characterization of ether-bridged condensation products in N,N0-dimethylurea–formaldehyde systems. J Appl Polym Sci 128:3957Kibrik, E.J.; Steinhof, O.; Scherr, G.; Thiel, W.R.; ...
The assignment of the Si CP/MAS-NMR spectrum of naturally-occurring sepiolite clay was re-examined using Si COSY and H-Si HETCOR pulse sequences. Each of t... MRW Eir,W Kuang,GA Facey,... - 《Clays & Clay Minerals》 被引量: 57发表: 2002年 Tropical Cyclogenesis Due to Breakdown of...
NMR-based determination of the pKaof protein side chains has been reviewed recently (Hass & Mulder, 2015;Platzer, Okon, & McIntosh, 2014). Because the typical pKaof Lys side chains is 10.5, Lys side-chain amino groups are usually protonated in the form ofNH3+in neutral and acidic pH ...
4.9.3.1 1H NMR Spectrum The full 1H NMR spectrum of telmisartan is shown in Figure 4A–C with various regions being expanded for easier viewing. Confirmation of the spectral assignments was derived from a 2D DQF-COSY, and NESY experiment, see Figures 5A–D to 8A–C, respectively, and thes...